function go_to(ao,tabId) {
	var h = document.getElementById(tabId).getElementsByTagName("h3");
	var d = document.getElementById(tabId).getElementsByTagName("div");
	for ( var i = 0; i < h.length; i++) {
		if (ao - 1 == i) {
			h[i].className = "up";
			d[i].className = "blank";
		} else {
			h[i].className = " ";
			d[i].className = " ";
		}
	}
}

